<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div {
				width: 100px;
				height: 100px;
				background-color: transparent;
				border: 10px solid;
				border-radius: 110px;
			}

			.a1 {
				border-color: blue;
			}

			.a2 {
				border-color: black;
				margin-top: -120px;
				margin-left: 130px;
			}

			.a3 {
				border-color: yellow;
				margin-top: -120px;
				margin-left: 260px;
			}

			.a4 {
				border-color: red;
				margin-top: -60px;
				margin-left: 55px;
			}

			.a5 {
				border-color: green;
				margin-top: -120px;
				margin-left: 185px;
			}
		</style>
	</head>
	<body>
		<div class="a1"></div>
		<div class="a2"></div>
		<div class="a3"></div>
		<div class="a4"></div>
		<div class="a5"></div>
	</body>
</html>